APA (7e ed.) Bronvermelding

Richter, D. D. Understanding soil change: Soil sustainability over millennia, centuries, and decades. Cambridge.

Chicago (17e ed.) Bronvermelding

Richter, Daniel D. Understanding Soil Change: Soil Sustainability over Millennia, Centuries, and Decades. c2001: Cambridge.

MLA (9e ed.) Bronvermelding

Richter, Daniel D. Understanding Soil Change: Soil Sustainability over Millennia, Centuries, and Decades. Cambridge.

Let op: Deze citaties zijn niet altijd 100% accuraat.